Created
June 10, 2017 13:56
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Script to remove all unused and old images of docker from the system
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#!/bin/bash | |
# Remove all the dangling images | |
DANGLING_IMAGES=$(docker images -qf "dangling=true") | |
if [[ -n $DANGLING_IMAGES ]]; then | |
docker rmi "$DANGLING_IMAGES" | |
fi | |
# Get all the images currently in use | |
USED_IMAGES=($( \ | |
docker ps -a --format '{{.Image}}' | \ | |
sort -u | \ | |
uniq | \ | |
awk -F ':' '$2{print $1":"$2}!$2{print $1":latest"}' \ | |
)) | |
# Get all the images currently available | |
ALL_IMAGES=($( \ | |
docker images --format '{{.Repository}}:{{.Tag}}' | \ | |
sort -u \ | |
)) | |
# Remove the unused images | |
for i in "${ALL_IMAGES[@]}"; do | |
UNUSED=true | |
for j in "${USED_IMAGES[@]}"; do | |
if [[ "$i" == "$j" ]]; then | |
UNUSED=false | |
fi | |
done | |
if [[ "$UNUSED" == true ]]; then | |
echo "Removeing ${i}" | |
docker rmi "$i" | |
fi | |
done | |
# Extracted from: https://stackoverflow.com/a/37133531 |
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